Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
nhanh khoa » nhan khoa, nganh khoa, hang khoa
hoc nhanh » hoc nganh, hoc phan
tu hoach » thu hoach, tu hach, quy hoach
hoach ha » hoach va, hoach xay, hoach hoi
khoa hoc » hoa hoc
phan van » thanh van, luan van, tran van
mot hoc » mon hoc, mo hoc, mot goc
ha tap » han tap, pha tap, hai tap
ma hoi » mai hoi, xa hoi, ma hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu hoach ha tap, nghien cua mot hoc nhanh khoa hoc ma hoi va ((phan van) or (pham van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu hoach ha tap, nghien cua mot hoc nhanh khoa hoc ma hoi va ((phan van) OR (pham van)).
• Adding a wildcard symbol may retrieve word variants: tu hoach ha tap, nghien cua mot hoc nhanh khoa hoc ma hoi va ((phan van) or (pham van))*.